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timonwong 2015-03-06 11:50:00 +08:00
The concat() method ******returns a new array****** comprised of the array on which it is called joined with the array(s) and/or value(s) provided as arguments.
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2
iyaozhen 2015-03-06 11:50:11 +08:00
b = b.concat("111"); |
3
iyaozhen 2015-03-06 11:51:05 +08:00
补个图 |
4
otakustay 2015-03-06 12:11:46 +08:00
在你执行第一行前b的内容是啥?
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5
zhengkai 2015-03-06 13:04:17 +08:00
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